AI Token Counter

Estimate AI tokens, words, characters and approximate prompt size.

Frequently asked questions

Is this tool free?

Yes. Calchemy tools are free to use in your browser.

Is my data uploaded?

No. The tools are designed to run locally in your browser unless clearly stated otherwise.

Is the token count exact?

This is a practical estimate. Exact tokenisation differs by model.

Why count tokens?

AI model limits and API pricing are usually based on tokens, not words.